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-rw-r--r--lib/rainbows/epoll/client.rb5
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/rainbows/epoll/client.rb b/lib/rainbows/epoll/client.rb
index fe04258..85e504c 100644
--- a/lib/rainbows/epoll/client.rb
+++ b/lib/rainbows/epoll/client.rb
@@ -9,9 +9,8 @@ module Rainbows::Epoll::Client
   IN = SleepyPenguin::Epoll::IN | SleepyPenguin::Epoll::ONESHOT
   OUT = SleepyPenguin::Epoll::OUT | SleepyPenguin::Epoll::ONESHOT
   EPINOUT = IN | OUT
-  KATO = {}
-  KATO.compare_by_identity if KATO.respond_to?(:compare_by_identity)
-  Rainbows.at_quit { KATO.each_key { |k| k.timeout! }.clear }
+  KATO = {}.compare_by_identity
+  Rainbows.at_quit { KATO.each_key(&:timeout!).clear }
   Rainbows.config!(self, :keepalive_timeout)
   EP = Rainbows::EP
   @@last_expire = Rainbows.now